304004212400 has 90 divisors (see below), whose sum is σ = 849614276340. Its totient is φ = 104230008960.

The previous prime is 304004212307. The next prime is 304004212423. The reversal of 304004212400 is 4212400403.

It is a super-2 number, since 2×304004212400² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7735610 + ... + 7774809.

It is an arithmetic number, because the mean of its divisors is an integer number (9440158626).

Almost surely, 2^304004212400 is an apocalyptic number.

It is an amenable number.

304004212400 is an abundant number, since it is smaller than the sum of its proper divisors (545610063940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304004212400 is a wasteful number, since it uses less digits than its factorization.

304004212400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15510451 (or 15510433 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 304004212400 its reverse (4212400403), we get a palindrome (308216612803).

The spelling of 304004212400 in words is "three hundred four billion, four million, two hundred twelve thousand, four hundred".